class-def Product slot-def Price domain Product slot-def ManufacturedBy domain Product class-def PrintingAndDigitalImagingProduct subclass-of Product class-def HPProduct subclass-of Product slot-constraint ManufacturedBy has-value "Hewlett Packard" class-def Printer subclass-of PrintingAndDigitalImagingProduct slot-def PrinterTechnology domain Printer slot-def Printing Speed domain Printer slot-def PrintingResolution domain Printer class-def PrinterForPersonalUse subclass-of Printer class-def HPPrinter subclass-of HPProduct and Printer class-def LaserJetPrinter subclass-of Printer slot-constraint PrintingTechnology has-value "Laser Jet" class-def HPLaserJetPrinter subclass-of LaserJetPrinter and HPProduct class-def HPLaserJet1100Series subclass-of HPLaserJetPrinter and PrinterForPersonalUse slot-constraint PrintingSpeed has-value "8 ppm" slot-constraint PrintingResolution has-value "600 dpi" class-def HPLaserJet1100se subclass-of HPLaserJet1100Series slot-constraint Price has-value "$479" class-def HPLaserJet1100xi subclass-of HPLaserJet1100Series slot-constraint Price has-value "$399"